A066648 Cubes of the form a^2 + b^3 with a, b > 0.

512, 1000, 2744, 21952, 32768, 35937, 64000, 175616, 185193, 274625, 357911, 373248, 405224, 474552, 729000, 1157625, 1404928, 1481544, 2000376, 2097152, 2197000, 2299968, 2744000, 3241792, 3652264, 3723875, 4096000, 5451776

Offset

1,1

Links

Table of n, a(n) for n=1..28.

Formula

a(n) = A228946(n)^3. - R. J. Mathar, Dec 03 2015

Example

8^3 = a(0) = 512 = 169 + 343 = 13^2 + 7^3;
10^3 = a(1) = 1000 = 784 + 216 = 28^2 + 6^3.

Crossrefs

Cf. A055394, A066647.

Sequence in context: A036333 A046312 A045033 * A043423 A341886 A045058

Adjacent sequences: A066645 A066646 A066647 * A066649 A066650 A066651

Keyword

nonn

Author

Reinhard Zumkeller, Dec 17 2001

Status

approved